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March 14th...giornata della matematica, Pi Greco day. Perchè non utilizzare le cifre di π per costruire una spirale, la spirale di Archimede, da appendere in classe o nel corridoio? Se appesa sopra un termosifone o un'altra fonte di calore, diventa una divertente attività ed esperimento con cui scoprire alcune caratteristiche dell'aria: la spirale ruota e si muove perchè spostata dall'aria calda. L’aria calda è più leggera dell’aria fredda perché meno densa e sale verso l’alto. https://maestramonica.it/pi-greco-day-la-spirale-di-archimede-matematica/
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Don't make this costly mistake. That $500 rope isn't a scam - it's designed to stretch without snapping when you need it most. Cheap rope? It just breaks. Coast Guard rescues can cost $15,000+. Boat damage runs into the tens of thousands of dollars. But here's what most boaters don't realize about premium marine rope...⚠️ What's the most you'd spend on safety gear? That $500 sailing rope might seem like a scam, but I learned the hard way why it's essential boat gear. Don't risk a costly rescue because of a cheap boat rope that snaps under pressure. Invest in quality sailing equipment for a safer sailing experience and protect your boat's life. #boatsafety #MarineRope #BoatingTips #SafetyFirst #BoatingGear #NovaRaid #MarineEquipment #BoatLife #SafetyGear #BoatingAdvice
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The Corryvreckan Whirlpool is situated off the west coast of Scotland between the islands of Jura and Scarba. It is one of the largest permanent whirlpools on earth and it is said that at certain times the roar is so loud that it can be heard ten miles away. At full strength the currents can reach over 10 knots and produce waves over 9 m high. With proper planning, sailing through the Gulf of Corryvreckan is a hugely impressive experience. #MustSeaScotland Scotland offers sailing as it should be… there’s space and freedom. And the choice to do a lot – or do next to nothing – in this spectacular setting. It’s uncrowded and unspoilt, and life here moves at a different pace. People come specially to see basking sharks, puffins, seals, dolphins and eagles. They sail. They walk along beaches and coastal paths, explore local history and photograph their surrounds. They eat fresh seafood at stylish cafes and vibrant marinas. They enjoy the friendly traditional pubs. They browse shops in bustling coastal towns and villages. They picnic on beaches that are near-deserted, even in the height of summer. Or just sit and watch the tides, the sunsets and the stars. You simply #MustSeaScotland Find out more: Marinas & Boatyards: http://bit.ly/2e0J3mw Yacht Charters: http://bit.ly/2dNGX7L Sailing Holidays: http://bit.ly/2erGlEJ Sailing Schools: http://bit.ly/2ejZKsf Visit our website: http://www.sailscotland.co.uk Like our Facebook page: http://www.facebook.com/sailscotland Say hello on Twitter: https://twitter.com/SailScotland
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